1 /* |
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2 * Copyright (c) 2003,2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Active object for calling Camera Application Engine methods |
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15 * indirectly from callbacks |
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16 * |
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17 */ |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "CaeCallbackActive.h" |
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22 #include "CaeEngineImp.h" |
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23 |
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24 |
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25 // ================= MEMBER FUNCTIONS ======================= |
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26 |
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27 |
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28 // --------------------------------------------------------------------------- |
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29 // CCaeCallbackActive::CCaeCallbackActive() |
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30 // C++ constructor. |
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31 // Adds the object to the Active Scheduler. |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CCaeCallbackActive::CCaeCallbackActive( |
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35 CCaeEngineImp& aCamAppEngine ) |
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36 : CActive( EPriorityStandard ), iCamAppEngine( aCamAppEngine ) |
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37 { |
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38 CActiveScheduler::Add( this ); |
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39 } |
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40 |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // CCaeCallbackActive::CCaeCallbackActive() |
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44 // Destructor. |
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45 // Cancels operation and closes the timer. |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 CCaeCallbackActive::~CCaeCallbackActive() |
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49 { |
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50 Cancel(); |
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51 iTimer.Close(); |
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52 } |
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53 |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // CCaeCallbackActive::NewLC() |
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57 // Symbian OS two-phased constructor. |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 CCaeCallbackActive* CCaeCallbackActive::NewLC( |
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61 CCaeEngineImp& aCamAppEngine ) |
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62 { |
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63 CCaeCallbackActive* self = new( ELeave ) CCaeCallbackActive( aCamAppEngine ); |
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64 |
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65 CleanupStack::PushL( self ); |
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66 self->ConstructL(); |
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67 return self; |
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68 } |
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69 |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // CCaeCallbackActive::NewL() |
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73 // Symbian OS two-phased constructor. |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 CCaeCallbackActive* CCaeCallbackActive::NewL( |
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77 CCaeEngineImp& aCamAppEngine ) |
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78 { |
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79 CCaeCallbackActive* self = NewLC( aCamAppEngine ); |
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80 CleanupStack::Pop( self ); |
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81 return self; |
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82 } |
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83 |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // CCaeCallbackActive::ConstructL() |
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87 // Symbian OS 2nd phase constructor that can leave. |
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88 // --------------------------------------------------------------------------- |
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89 // |
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90 void CCaeCallbackActive::ConstructL() |
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91 { |
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92 User::LeaveIfError( iTimer.CreateLocal() ); |
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93 } |
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94 |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // CCaeCallbackActive::PowerOn() |
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98 // Switches camera power on. |
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99 // --------------------------------------------------------------------------- |
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100 // |
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101 void CCaeCallbackActive::PowerOn() |
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102 { |
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103 LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() entering" ) ); |
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104 |
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105 _LIT( KPowerOnPanic, "CCaeCallbackActive::PowerOn"); |
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106 __ASSERT_ALWAYS( !IsActive(), User::Panic( KPowerOnPanic, 1 ) ); |
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107 |
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108 iRequest = CCaeCallbackActive::ERequestPowerOn; |
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109 |
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110 SetActive(); |
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111 TRequestStatus* statusPtr = &iStatus; |
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112 User::RequestComplete( statusPtr, KErrNone ); |
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113 |
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114 LOGTEXT( _L( "Cae: CCaeCallbackActive::PowerOn() returning" ) ); |
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115 } |
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116 |
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117 |
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118 // --------------------------------------------------------------------------- |
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119 // CCaeCallbackActive::RunL() |
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120 // Calls Camera Application Engine operation. |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 void CCaeCallbackActive::RunL() |
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124 { |
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125 LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() entering" ) ); |
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126 |
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127 switch ( iRequest ) |
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128 { |
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129 case CCaeCallbackActive::ERequestPowerOn: |
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130 // Call Camera Application Engine to switch camera power on. |
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131 iCamAppEngine.PowerOn(); |
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132 break; |
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133 default: |
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134 break; |
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135 } |
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136 |
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137 LOGTEXT( _L( "Cae: CCaeCallbackActive::RunL() returning" ) ); |
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138 } |
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139 |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // CCaeCallbackActive::DoCancel() |
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143 // Cancels request. |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 void CCaeCallbackActive::DoCancel() |
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147 { |
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148 iTimer.Cancel(); |
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149 iRequest = CCaeCallbackActive::ERequestDefault; |
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150 } |
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151 |
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152 |
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153 // End of File |
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